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mario62 [17]
3 years ago
10

Peter spent $450 on groceries in 3 months.What is the amount he spent every month on groceries, if he spent the same amount ever

y month?
Mathematics
1 answer:
WITCHER [35]3 years ago
6 0
The amount he spends per week is 450/3=$150.
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Story context that would be represented by the ratio 1:4
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In a class of 24 kids, for every 1 boy there are 4 girls
5 0
3 years ago
What is the mean of -9,-5,-4,-4,-2,0,1,2,3,5
IrinaK [193]

Answer: - 1.3

Step-by-step explanation: I believe that it's -1.3 if you're referring to the arithmetic mean.

(1) Take the sum of -9, -5, -4, -4, -2, 0, 1, 2, 3, 5 and simplify it to -13

(2) Count the number of terms in the data set.

{-9, -5, -4, -4, -2, 0, 1, 2, 3, 5}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} - The number of terms in the data set is <u>10.</u>  

(3) Divide the sum by the number of terms and simplify.

-13 / 10 = -1.3 (simplified)

8 0
3 years ago
What is the slope of a line that is perpendicular to the line represented by the equation y=3/4x-1/2?
kherson [118]
The answer is:   " - (4/3) " .
____________________________________
Explanation:
____________________________________
The original equation given has a slope of (3/4).

Note:  We know this since the equation for the slope of the line is written in "slope-intercept form" ; also known as: "point-slope form";  that is:

  " y = mx + b " ;  in which "m" (the coefficient of "x") is the slope.
____________________________________________________
The slope of a line PERPENDICULAR to an equation, when written in "slope-intercept form", is the "negative reciprocal" of the slope of the original line.

Hence, the negative reciprocal of "(3/4)"  is:  "-(4/3)" .
____________________________________________________
5 0
3 years ago
Can someone plz help me and explain it to me?
Marina86 [1]
You always either divide the equation or multiply the equation
hope this helps
6 0
3 years ago
Hey could someome help me wit question 16
bearhunter [10]
What page is it because I have the same math book?Unless you're not in 8th grade then I can't help.
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3 years ago
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